| X | ÷ | 131 | + | 84 5 | ÷ | 87 | − | 40 | ÷ | 1333 | − | 40 | ÷ | 1650 | = | 119 50000 | ( | X | + | 484 5 | ) |
| 方程左边 = | X | × | 1 131 | + | 28 145 | − | 40 1333 | − | 4 165 |
| = | 1 131 | X | + | 885664 6378405 |
1 131 | X | + | 885664 6378405 | = | 119 50000 | ( | X | + | 484 5 | ) |
| 方程右边 = | 119 50000 | X | + | 119 50000 | × | 484 5 |
| = | 119 50000 | X | + | 14399 62500 |
1 131 | X | + | 885664 6378405 | = | 119 50000 | X | + | 14399 62500 |
1 131 | X | − | 119 50000 | X | = | 14399 62500 | − | 885664 6378405 |
34411 6550000 | X | = | 14399 62500 | − | 885664 6378405 |